热敏电阻100K3950温度阻值计算RT表热敏电阻温度阻值对照表1 T -273.15 R T 3 R T 4 R T 2 R A D ln + B ln T + + E ln + C ln R R R R ref ref ref ref Rref=100kΩA=B=C=D=E=3.32348674501500E-032.5666679130900100E-042.87138291179200E-06-1.0551156519358000E-07-1.0130729826715200E-08华巨温度传感器感知世界的温度，创造中国的世界品牌R25=100kΩ±1% B25/50= 3950±1% B0/100= 3977 B25/85= 4007 B25/125= 4066温度(℃)-55--53-52-51-50-49-48-47-46-45-44-43-42-41-40-39-38-37-36-35-34-33-32-31-30-29-28-27-26-25-24-23-22-21最小值(kΩ)9514.3518825.7448192.0347608.4597070.7016574.8466117.3395694.9495304.7424944.04610.42301.6704015.7573750.8443505.2493277.4343065.9962869.6502687.2202517.6282359.8882213.0962076.4211949.1021830.4371719.7851616.5501520.1921430.2111346.1441267.5661194.0841125.3371060.9911000.736标准值(kΩ)100.0259328.5538652.2268029.8717456.8066928.78341.9525992.8175578.1995195.2114841.2274513.8534210.9103930.4133670.83429.6623206.2432998.9102806.3992627.5552461.3192306.7212162.8712028.9531904.2191787.9801679.6001578.5041484.1561396.01313.7741236.86711.9591097.6941034.743最大值(kΩ)104.3909859.0229137.3558473.7777863.2077301.0436783.1136305.6335865.16658.5925083.0734736.0284415.10118.1673843.2593588.6013352.5693133.6782930.5712742.0082566.8532404.0662252.6942111.8651980.7761858.6931744.9351638.81539.9821447.6901361.5301281.0551205.8551135.5531069.799温度系数(%/℃)-7.62-7.56-7.50-7.43-7.37-7.31-7.26-7.20-7.14-7.08-7.03-6.97-6.92-6.87-6.81-6.76-6.71-6.66-6.61-6.56-6.51-6.46-6.42-6.37-6.32-6.28-6.23-6.19-6.14-6.10-6.05-6.01-5.97-5.93-5.阻值负偏差（%)-5.46-5.39-5.32-5.25-5.18-5.11-5.04-4.97-4.90-4.83-4.77-4.70-4.63-4.57-4.50-4.44-4.37-4.31-4.25-4.18-4.12-4.06-4.00-3.94-3.87-3.81-3.75-3.69-3.63-3.58-3.52-3.46-3.40-3.34-3.29阻值正偏差(%)5.775.695.615.535.455.375.305.225.145.075.004.924.8.784.714.634.5.494.424.3.294.224.1.094.023.953.3.833.763.703.3.573.513.453.39测温负偏差(℃)-0.757-0.752-0.748-0.744-0.739-0.735-0.730-0.725-0.720-0.716-0.711-0.706-0.701-0.696-0.691-0.685-0.680-0.675-0.669-0.6-0.659-0.653-0.7-0.2-0.636-0.630-0.624-0.618-0.613-0.607-0.600-0.594-0.588-0.582-0.576测温正偏差(℃)0.7170.7130.7100.7060.7020.6980.6940.6910.6860.6820.6780.6740.6700.6650.6610.6560.6520.70.30.6380.6330.6280.6230.6180.6130.6080.6030.5970.5920.5860.5810.5750.5700.50.558-20-19-18-17-16-15-14-13-12-11-10-9-8-7-6-5-4-3-2-101234567101112131415161718192021222324252627282930313233944.28711.3790841.7709795.2371751.5685710.5717672.0671635.8884601.8815569.9031539.8203511.5097484.85659.73436.10313.8123392.7943372.96983.21336.6077319.9360304.18692.3058275.2399261.9401249.3603237.4576226.1917215.5252205.4229195.8519186.7812178.1821170.0276162.29211.9520147.9850141.3700135.0875129.1190123.4472118.0556112.9291108.0533103.414599.000094.714590.637586.757983.065279.9276.200873.011069.9716975.80320.5934868.8568820.33774.83732.1817692.11656.4926619.1469585.92805.69525.3188497.6770471.65747.1560424.0749402.3238381.8185362.4806344.2369327.0195310.7633295.4107280.9066267.19922.2404241.9851230.3914219.4197209.0335199.19821.8816181.0535172.68581.7519157.2271150.0880143.3128136.8811130.7737124.9724119.4603114.2216109.2412104.5051100.000095.713191.633187.7484.050180.527077.170273.971270.92171008.272950.67036.7245846.1801798.80227.3735712.6928673.5738636.8440602.3433569.9234539.4467510.78483.8208458.4427434.812.0433390.8381370.8506352.0039334.22317.4500301.6143286.6612272.5366259.1901246.5744234.55223.3623212.6862202.5814193.0141183.9528175.3681167.2323159.5196152.2056145.2678138.6846132.4362126.5038120.8697115.5173110.4312105.5967101.000096.712692.630388.742385.038281.508678.144274.936571.8774-5.84-5.80-5.76-5.72-5.69-5.65-5.61-5.57-5.53-5.50-5.46-5.42-5.39-5.35-5.32-5.28-5.25-5.21-5.18-5.15-5.11-5.08-5.05-5.02-4.99-4.96-4.92-4.-4.86-4.83-4.80-4.78-4.75-4.72-4.69-4.66-4.63-4.61-4.58-4.55-4.52-4.50-4.47-4.45-4.42-4.39-4.37-4.34-4.32-4.29-4.27-4.25-4.22-4.20-3.23-3.17-3.12-3.06-3.01-2.95-2.90-2.84-2.79-2.73-2.68-2.63-2.58-2.52-2.47-2.42-2.37-2.32-2.27-2.22-2.17-2.12-2.07-2.02-1.97-1.92-1.87-1.82-1.77-1.73-1.68-1.63-1.59-1.-1.49-1.45-1.40-1.36-1.31-1.27-1.22-1.18-1.13-1.09-1.04-1.00-1.04-1.09-1.13-1.17-1.21-1.26-1.30-1.343.333.273.213.153.093.032.972.922.862.802.752.692.632.582.522.472.422.362.312.262.202.152.102.052.001.951.901.851.801.751.701.651.601.551.511.461.411.361.321.271.231.181.131.091.041.001.041.091.131.181.221.261.301.35-0.569-0.563-0.556-0.550-0.3-0.537-0.530-0.523-0.517-0.510-0.503-0.496-0.4-0.482-0.475-0.468-0.460-0.453-0.446-0.438-0.431-0.423-0.416-0.408-0.401-0.393-0.385-0.377-0.369-0.361-0.353-0.345-0.337-0.329-0.321-0.313-0.305-0.296-0.288-0.279-0.271-0.262-0.2-0.245-0.236-0.228-0.239-0.251-0.262-0.274-0.285-0.297-0.309-0.3210.5530.70.10.5350.5290.5230.5170.5100.5040.4980.4910.4850.4780.4720.4650.4580.4510.4440.4380.4310.4230.4160.4090.4020.3950.3870.3800.3720.3650.3570.3500.3420.3340.3260.3180.3100.3020.2940.2860.2780.2700.2610.2530.2450.2360.2280.2390.2500.2610.2730.2840.2960.3070.319343536373839404142434447484950515253555657585960616263656667686970717273747576777879808182838485868767.0747.312961.679359.167256.7705.483352.300050.2148.2246.322944.505942.769441.109439.522338.004436.552435.163133.833532.560831.342330.175329.057627.986826.960625.977125.034224.130223.263222.431421.633520.867720.132719.427118.749618.0917.473916.873416.2915.741815.208614.696014.203113.729013.272912.834012.411712.005211.613911.237110.874310.524810.18829.863.551268.013965.240662.594960.070257.6605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